Globe*Trotter, Xenolth's latest open-source project, is basically an open-source guestmap. Instead of your users simply tacking their personal regards onto the end of a long list of people, they can mark where they live on a map and then add any personal comments they have. It benefits your visitors because they can easily read other's comments and add their remarks in a fun and novel way. It also benefits you, the webmaster, because more...